266 results found
 

Contamination in New Zealand

Page | December 6, 2006 at 2:54

Dioxins are formed in industrial processes involving chlorine. Burning organic matter in the presence of chlorine, for example waste incineration, burning PVC (polyvinyl chloride) and chlorine-bleached paper, will produce dioxins.

Elimination not reduction

Page | December 6, 2006 at 2:50

Dioxin releases must be eliminated, not simply reduced. Because of the persistent nature of these chemicals, and their continual recycling throughout the environment, the current global build-up of dioxin will take years to decrease.

Stockholm Convention

Page | December 6, 2006 at 2:42

Over 90 governments of the world have signed The Stockholm Convention, which is an International Treaty to ban 12 persistent organic pollutants (also known as the "dirty dozen"). The New Zealand Government signed the Stockholm Convention in May 2001.

Victory on Incineration

Page | December 6, 2006 at 2:20

In 2002 Greenpeace began a campaign to have the Auckland International Airport incinerator closed and replaced with cleaner technology to treat the quarantine waste.

Impacts on health & environment

Page | December 5, 2006 at 23:22

The first evidence of persistent organic pollutant (POPs) related injury to wildlife was discovered in North America in the 1960s, where the population of peregrine falcons was found to be declining due to pesticide contamination. Subsequently, a...

What is dioxin?

Page | December 5, 2006 at 23:10

Dioxins and furans are a class of chemical compounds widely recognised as some of the most toxic chemicals ever made by humans. Generally just referred to as dioxins, dioxins and furans have no useful purpose and are produced as the unwanted...

Why ban incineration

Page | December 5, 2006 at 22:50

Burning was once considered the most effective method for disposing of waste materials. However, since industrialisation the nature of waste has changed dramatically. Mass production of chemicals and plastics means that burning or incinerating...

Alternatives to medical incineration

Page | December 5, 2006 at 21:56

Municipal and hospital waste incinerators are the largest dioxin sources in industrial countries. At present in New Zealand there are only a handful of medical and quarantine waste incinerators, however the Government is proposing a regulation...

Types of incineration

Page | December 5, 2006 at 21:55

There are numerous types of incinerators in use around the world, but even 'state of the art' incinerators pollute air and land. The more equipment put on a chimney to stop air pollution, the higher the toxic chemical content of the ash. All...

The e-waste problem

Page | October 31, 2006 at 23:24

The amount of electronic products discarded globally has skyrocketed recently, with 20-50 million tonnes generated every year. If such a huge figure is hard to imagine, think of it like this - if the estimated amount of e-waste generated every...

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